US9326563B2 - Base for a ski boot and ski boot incorporating such a base - Google Patents

Base for a ski boot and ski boot incorporating such a base Download PDF

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Publication number
US9326563B2
US9326563B2 US13/662,336 US201213662336A US9326563B2 US 9326563 B2 US9326563 B2 US 9326563B2 US 201213662336 A US201213662336 A US 201213662336A US 9326563 B2 US9326563 B2 US 9326563B2
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Prior art keywords
sole
base
toe
longitudinal axis
outsole
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US13/662,336
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US20140115930A1 (en
Inventor
John Erik Svensson
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K2 Sports LLC
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K2 Corp
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Priority to US13/662,336 priority Critical patent/US9326563B2/en
Assigned to K-2 CORPORATION reassignment K-2 CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: Svensson, John Erik
Priority to EP13186225.2A priority patent/EP2724634B1/fr
Priority to CA2829437A priority patent/CA2829437C/fr
Priority to CN201310510516.6A priority patent/CN103783718B/zh
Priority to RU2013150126/12A priority patent/RU2013150126A/ru
Publication of US20140115930A1 publication Critical patent/US20140115930A1/en
Publication of US9326563B2 publication Critical patent/US9326563B2/en
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Assigned to WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT reassignment WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BACKCOUNTRY ACCESS, INC., K2 SPORTS, LLC, MARKER VOLKL USA, INC.
Assigned to K2 SPORTS, LLC reassignment K2 SPORTS, LLC CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: K-2 CORPORATION
Assigned to WELLS FARGO BANK, NATIONAL ASSOCIATION reassignment WELLS FARGO BANK, NATIONAL ASSOCIATION AMENDED AND RESTATED PATENT SECURITY AGREEMENT Assignors: BACKCOUNTRY ACCESS, INC., K2 SPORTS, LLC, MARKER VOLKL USA, INC.
Assigned to ARES AGENT SERVICES, L.P., AS COLLATERAL AGENT reassignment ARES AGENT SERVICES, L.P., AS COLLATERAL AGENT SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BACKCOUNTRY ACCESS, INC., K2 SPORTS, LLC, MADSHUS AS, MARKER DEUTSCHLAND GMBH
Assigned to ACF FINCO I LP, AS ASSIGNEE AND SUCCESSOR AGENT reassignment ACF FINCO I LP, AS ASSIGNEE AND SUCCESSOR AGENT ASSIGNMENT OF SECURITY INTEREST IN INTELLECTUAL PROPERTY AGREEMENT Assignors: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ASSIGNOR AND PREDECESSOR AGENT
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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/04—Ski or like boots
    • A43B5/0411—Ski or like boots for cross-country
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/026—Composites, e.g. carbon fibre or aramid fibre; the sole, one or more sole layers or sole part being made of a composite
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/16—Pieced soles
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/04—Ski or like boots
    • A43B5/0411—Ski or like boots for cross-country
    • A43B5/0413—Adaptations for soles or accessories associated with soles for cross-country bindings
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/04—Ski or like boots
    • A43B5/0427—Ski or like boots characterised by type or construction details
    • A43B5/0482—Ski or like boots characterised by type or construction details made from materials with different rigidities

Definitions

  • the present invention relates to a base for a ski boot, preferably but not exclusively a Nordic ski boot, and to a ski boot incorporating such base.
  • boot is used throughout this specification and in the claims, it should be interpreted broadly to include shoes and any form of footwear suitable for wear when taking part in skiing.
  • Ski boots are a specialized form of footwear that is used in skiing to provide a way of attaching the skier's feet to his/her skis via ski bindings.
  • the ski boot should position the skier's body over the ski properly.
  • the base of such a boot usually comprises rigid cleats or outsole elements that are used to fasten the boot to a ski binding. These outsole elements also comprise a walking surface for the boot. It is therefore important for the base of the boot, which incorporates the outsole elements, to provide strength and torsional stiffness yet still be sufficiently flexible for the intended form of skiing and for ease of walking.
  • Some conventional bases for ski boots are made from injection moulded plastic material in which the outsole elements, in particular an element comprising a front bar that is used to attach a Nordic ski boot to a binding, are moulded into the sole. It has been known for these bars to be pulled out of softer plastic material or for harder plastic material to shear off the outsole element around the bar when high loads have been placed on the bar during use causing the bar to deform relative to the ski boot within the enclosing plastic material. Deformation of the bar, in any event, has a negative effects on ski control. Also, such bases rarely provide the necessary degree of torsional stiffness required to prevent permanent deformation of the boot from happening over time when the boot is in use
  • a base for a ski boot comprising a one-piece sole defining heel and toe portions that is adapted to be secured to one or more outsole elements and that has a fiber-reinforced composite structure wherein a majority of the fibers in at least a mid-section of the sole between the heel and toe portions are angled at an acute angle with respect to a longitudinal axis of the sole.
  • the mid-section of the sole covers a position anatomically beneath the location of the metatarsal bones and the plantar arch of a person wearing the ski boot.
  • toe and heel outsole elements are bonded to the toe and heel portions of the sole respectively to form a unitary construction.
  • a majority of the fibers in the mid-section of the sole are angled at an acute angle of substantially ⁇ 45° ⁇ 10° to the longitudinal axis of the sole.
  • substantially the remainder of the fibers in the mid-section of the sole are either substantially aligned with the longitudinal axis of the sole at angles within ⁇ 20° of being parallel to the longitudinal axis or are angled at 90° ⁇ 20° to the longitudinal axis of the sole.
  • the fibers in the mid-section of the sole are substantially aligned with the longitudinal axis of the sole at angles within ⁇ 20° of being parallel to the longitudinal axis of the sole.
  • fibers in the mid-section of the sole are angled at substantially 45° ⁇ 10° to the longitudinal axis of the sole.
  • the fiber-reinforced composite structure comprises a laminate wherein a plurality of layers of woven fabric comprising warp carbon fibre yarns and weft carbon fibre yarns are encapsulated within a polymer matrix, which is preferably an epoxy-based resin.
  • the layers of woven fabric are each woven in a balanced plain weave.
  • the layers of the woven fabric are orientated relative to one another and to the longitudinal axis of the sole such that in some of the layers the warp or weft yarns are angled with respect to the longitudinal axis of the sole and in at least one of the layers the warp yarns or the weft yarns are aligned with the longitudinal axis of the sole.
  • the laminate comprises at least seven layers of woven fabric.
  • at least six of the layers are orientated such that their warp and weft yarns are angled at ⁇ 45° ⁇ 10° to the longitudinal axis of the sole and a seventh layer is orientated such that either its warp yarns or its weft yarns are substantially aligned with the longitudinal axis of the sole at angles within ⁇ 20° of being parallel to the longitudinal axis of the sole.
  • the laminate comprises seven layers and said seventh layer is located centrally of the laminate between three outer layers on either side thereof.
  • the laminate comprises eight layers of woven fabric of which seven layers are orientated such that their warp and weft yarns are angled at ⁇ 45° ⁇ 10° to the longitudinal axis of the sole and the eighth layer is orientated such that its warp yarns or its weft yarns are substantially aligned with the longitudinal axis of the sole at angles within ⁇ 20° of being parallel to the longitudinal axis.
  • the outsole elements comprise rigid elastomeric elements that are bonded to the sole via an adhesive.
  • an outsole element comprising a rigid bar is fastened to the sole adjacent or at a forward end of said toe outsole element via at least two fasteners.
  • the outsole element comprising the rigid bar is fastened to the sole at the forward end of said toe outsole element, the fasteners penetrating through the toe outsole element into the sole.
  • the fasteners penetrate through the sole.
  • the base comprises a heel portion integrally formed with an upstanding portion that is adapted to wrap up around the back and sides of the heel of the ski boot.
  • the upstanding portion is adapted for connection to an ankle cuff.
  • the heel portion of the sole defines an interior cavity.
  • a resilient pad is secured within the cavity to provide heel lift and to cushion the foot during use.
  • one of the outsole elements and the sole is provided with at least two projections that locate in holes or cavities defined by the other whereby said outsole element is secured to the sole in a predetermined position.
  • the projections are integrally formed with said outsole element.
  • the projections are formed by injected pins, rivets, fasteners, t-nuts, or screws that locate into the cavities or holes defined by the sole.
  • a ski boot incorporating a base comprising a one-piece sole to which is secured one or more outsole elements, the one-piece sole having a fiber-reinforced composite structure wherein a majority of the fibers in at least a mid-section of the sole are angled at an acute angle with respect to a longitudinal axis of the sole.
  • the mid-section of the sole is located between toe and heel portions of the sole to which portions are secured toe and heel outsole elements respectively.
  • the toe and heel outsole elements comprise rigid elastomeric elements that are bonded to the sole via an adhesive.
  • an outsole element comprising a rigid bar is fastened to the sole adjacent or at a forward end of said toe outsole element via at least two fasteners that penetrate through the sole.
  • the outsole element comprising the rigid bar is fastened directly to the sole adjacent said toe outsole element.
  • the forward end of said toe outsole element is located between the outsole element comprising the rigid bar and the sole and the fasteners penetrate through the toe outsole element into and through the sole.
  • the ski boot has a flexible fabric upper.
  • the base comprises a heel portion integrally formed with the sole, which heel portion is wrapped up around the back and sides of the heel of the ski boot.
  • the heel portion is connected to an ankle cuff in a hinged manner.
  • FIG. 1 is a perspective view from above and one side of a base for a ski boot in accordance with the first aspect of the present invention
  • FIG. 2 is a perspective view from below and said one side of the base shown in FIG. 1 ;
  • FIG. 3 is an exploded view of the base shown in FIGS. 1 and 2 along with a cuff for attachment to the base;
  • FIGS. 4 a and 4 b are schematic representations, to an enlarged scale, of two layers of a laminate used to form the base shown in FIGS. 1 to 3 and illustrating the manner in which the layers are oriented relative to a longitudinal axis of the base;
  • FIG. 5 is a side view of a ski boot in accordance with the second aspect of the present invention that incorporates a base as shown in FIGS. 1 to 3 ;
  • FIG. 6 is a cutaway perspective view of the base for a ski boot shown in FIG. 1 .
  • FIGS. 1 to 3 of the drawings show a base 1 adapted for use on a Nordic ski boot and an example of such a boot 2 having an upper 3 is shown in FIG. 5 .
  • a ski boot with a universal boot upper 3 or shell can be produced for use in various types of skiing, e.g. downhill, cross-country, ski-jumping, Telemark, etc.
  • the upper 3 is configured to encase a wearer's foot and is equipped with appropriate conventional fastening arrangements which will not be described here as the present invention is primarily concerned with the base 1 of the boot 2 .
  • the base 1 comprises a one-piece sole 4 defining heel and toe portions 5 and 6 respectively and a mid-section 7 that is located between the heel and toe portions 5 and 6 in a position anatomically beneath the location of the metatarsal bones and the plantar arch of a person wearing the ski boot 2 .
  • the heel and toe portions 5 and 6 are adapted to be secured to one or more rigid elastomeric outsole elements 8 , 9 , 10 to form a base 1 that can then be connected to the upper 3 during manufacture of the boot 2 .
  • the heel and toe portions 5 and 6 of the sole 4 lie adjacent respective heel and toe outsole elements 8 and 9 .
  • the heel and toe outsole elements 8 and 9 respectively are permanently bonded to the heel and toe portions 5 and 6 of the sole 4 to form a base 1 of unitary construction that can then be secured to the upper 3 .
  • the outsole element 10 comprises a rigid bar 11 and is fastened, possibly in a releasable manner via releasable fasteners 12 , to the sole 4 at a forward end of the toe outsole element 8 .
  • the fasteners 12 therefore penetrate through the toe outsole element 9 into the sole 4 .
  • the fasteners 12 also penetrate through the sole 4 so that they can be unfastened and the outsole element 10 detached and replaced, if necessary.
  • the outsole element 10 may be secured directly to the sole 4 adjacent a forward end of the toe outsole element 9 , which in this case does not need to extend as far as the front tip of the sole 4 .
  • outsole elements 8 , 9 and 10 locate between the sole 4 and a ski binding and least one of them, namely element 10 in the present example, is adapted for attachment to a Nordic ski binding.
  • one or more of the other outsole elements 8 , 9 may also be adapted for securement to a ski binding in place of or in addition to the outsole element 10 to fit the base for attachment to different types of ski boot.
  • the heel and toe outsole elements 8 and 9 provide walking surfaces that contact the ground when the boot 2 is not connected to a ski binding.
  • the sole 4 has a fiber-reinforced composite structure wherein a majority of the fibers in the mid-section 7 of the sole 4 are angled at an acute angle with respect to a longitudinal axis L of the sole 4 .
  • this is achieved by manufacturing the sole 4 in the form of a laminate wherein a plurality of layers 13 of woven fabric comprising warp yarns 14 and weft yarns 15 are encapsulated within a polymer matrix.
  • the warp yarns 14 and the weft yarns 15 are both carbon-fiber yarns and the polymer matrix is preferably an epoxy-based resin.
  • the sole 4 is therefore moulded in a known manner, for example using a vacuum bag moulding process wherein a plurality of polymer-coated fabric layers 13 are laid up one on top of the other over a rigid mould to which suction is applied and the polymer is cured using heat and pressure applied via a flexible membrane or bag.
  • the individual fibres of the fabric layers 13 which generally align along the longitudinal axis of the yarn in which they are incorporated, are therefore encapsulated by the polymer matrix so that the resulting moulded sole 4 has strength yet retains flexibility.
  • the fabric layers 13 making up the laminate would be orientated so that half of them have either their warp yarns 14 or their weft yarns 15 aligned with the longitudinal axis L of the sole 4 , as shown in FIG. 4 a , but the other half of the fabric layers 13 would be orientated so that their warp yarns 14 and their weft yarns 15 are orientated at ⁇ 45° to the longitudinal axis L of the sole 4 , as shown in FIG. 4 b .
  • such a laminate may have 8 layers in total wherein 4 first layers have their warp or weft yarns 14 , 15 aligned with the axis L and 4 second layers have their warp and weft yarns 14 , 15 orientated at ⁇ 45° to the axis L.
  • the first and second layers are arranged alternately within the laminate.
  • half of the warp and weft yarns 14 , 15 are arranged at ⁇ 45° to the axis L, a quarter are aligned with the axis L and the remaining quarter are orientated transversely at ⁇ 90° to the axis L.
  • the fabric layers 13 making up the laminate are arranged so that a majority, that is more than half, of the fibers forming the warp and the weft yarns 14 , 15 in at least the mid-section 7 of the sole 4 and beneath the ball of the foot are angled at an acute angle with respect to the longitudinal axis L of the sole 4 .
  • the remainder of the fibers forming the warp and weft yarns 14 , 15 in the mid-section 7 of the sole 7 are either substantially aligned with the longitudinal axis L at angles within ⁇ 20° of being parallel to the axis L or are angled transversely at 90° ⁇ 20° to the axis L. This is because it has been found that if there are no fibers aligned or substantially aligned with the longitudinal axis L, the sole 4 can become permanently deformed during prolonged use.
  • the quantity of fibers in the laminate that is substantially aligned with the longitudinal axis L is substantially reduced over the isotropic example above.
  • a non-isotropic arrangement wherein less than 10% of the fibers, but preferably no less than 5%, are aligned with the longitudinal axis L and more than half are arranged at 45° ⁇ 20° to the axis L provides substantially increased torsional stiffness, which is an advantage, without the longitudinal stiffness being reduced sufficiently to allow the resulting boot to become permanently deformed during repeated use.
  • the sole 4 is made of a laminate comprising 7 layers of balanced plain weave fabric arranged with their warp and weft yarns 14 , 15 orientated as follows with respect to sole 4 as a whole, including the mid-section 7 .
  • the woven layers 13 are all woven in balanced plain weaves, as shown in FIGS. 4 a and 4 b .
  • a plain weaves being one wherein the warp yarns 14 and the weft yarns 15 form a simple criss-cross pattern with each warp yarn 14 crossing the weft yarns 15 by going over one, then under the next, and so on, the next warp 14 yarn going under the weft yarns 15 that its neighbour went over, and vice versa.
  • a balanced plain weave produces a fabric in which the warp yarns 14 and the weft yarns 15 are made of yarns of the same weight (size) and have the same number of ends per unit length as picks per unit length.
  • the sole 4 is made of a laminate comprising 8 layers of balanced plain weave fabric arranged with their warp and weft yarns 14 , 15 oriented as follows with a respect to sole 4 as a whole, including the mid-section 7 .
  • the sole 4 is preferably moulded with a heel portion 5 that comprises upstanding portions 16 which wrap up around the back and sides of the heel of the ski boot 3 .
  • the upstanding portions 16 at the sides of the sole 4 may be provided with moulded-in holes 17 to enable an ankle cuff or part of an ankle cuff 18 , as shown in FIG. 3 to be connected to the sole 4 , for example by rivets 19 , in a hinged manner.
  • the part of the cuff 18 shown in FIG. 3 may be made of woven carbon fiber material similar to the sole 4 , the rest of the cuff 18 being made from other fabric and comprising a fastener as shown in FIG. 5 .
  • the upstanding portion at the rear of the sole 4 forms a heel counter that provides a direct transfer of loads from the cuff 18 of the boot 2 into the base 1 of the boot, which is a significant advantage.
  • the three-dimensional shape of the heel portion 5 of the sole 4 also increases the torsional stiffness of the boot 2 and increases its bending or flexural stiffness, which increases the performance of the boot 2 in use as indicated above.
  • the heel portion 5 of the sole 4 is moulded to define an interior cavity 20 into which is bonded a resilient pad 21 .
  • the pad 21 is dimensioned to provide a predetermined heel lift and made of a suitable material that will cushion the foot during use.
  • the outsole elements 8 and 9 are bonded thereto to form the base 1 that can then connected to a boot upper 2 , which is preferably a flexible fabric upper, in a conventional way.
  • the outsole elements 8 and 9 are preferably made of a resilient material, such as rubber or a similar synthetic material, so as to cushion the foot during skiing. When this material is softer it gives a smoother, softer feeling in the ice conditions. It is also more comfortable during walking before and after skiing, especially on hard surfaces like cement and asphalt. If this material is harder it gives a more stable, direct, rigid contact platform that is an advantage in unstable softer snow conditions.
  • outsole elements 8 , 9 and 10 it is important for the outsole elements 8 , 9 and 10 to be orientated correctly with regard to the longitudinal axis L of the sole 4 so that the boot can be properly attached to a ski binding and sit in the correct alignment with regard to the ski. This is often a difficult procedure and slight misalignment of the outsole elements 8 and 9 can seriously affect the ski binding attachment capability of the resulting boot and the ski alignment with respect to the boot.
  • the sole 4 is moulded with three pairs of cavities or holes 22 , 23 and 24 in addition to the through-hole 17 for attachment of the cuff 18 .
  • the pairs of cavities or holes 22 , 23 and 24 are precisely located in the sole 4 with respect to the longitudinal axis L.
  • the first pair 22 is located respectively towards the front and rear ends of the toe portion 6 of the sole 4 whereas the second pair 23 is located respectively towards the front and rear ends of the heel portion 5 of the sole 4 .
  • Both of the pairs of cavities or holes 22 , 23 align along the longitudinal axis L of the sole 4 and are used to locate the outsole elements 8 and 9 in the correct positions on the sole 4 .
  • each of the outsole elements 8 and 9 is provided with a pair of projections, 25 and 26 respectively that can be fitted into the respective pair of cavities or holes 22 , 23 during attachment of the elements 8 and 9 to the sole 4 .
  • the projections 25 and 26 may be unitary with the moulded material forming the rest of the elements 8 and 9 or may comprise injected pins, rivets, fasteners, t-nuts, screws or other secure alignment fastening means than can be located into the cavities or holes 22 and 23 .
  • the pair of holes 24 are located at the forward end of the sole 4 on either side of the longitudinal axis L and accommodate the fasteners 12 used to secure the outsole element 10 that comprises the rigid bar 11 .
  • These holes 24 are therefore preferably through holes so that the fasteners 12 can penetrate through the sole 4 rather than being cavities or blind holes, which is a possibility with the pairs of cavities or holes 22 and 23 .
  • the outsole element 10 sits beneath the toe outsole element 9 and in order to align the two elements 10 and 9 together, a pair of projections 27 on one, in this case the element 10 , that locate in cavities or holes (not shown) in the other may also be provided.
  • the outsole elements 8 , 9 and 10 and the sole 4 can all be precisely aligned together relative to the centreline of the medial to lateral balance point of a ski.
  • the outsole elements 8 , 9 and 10 and the sole 4 can all be precisely aligned together in a forward and aft manner to form a base 1 that is individually adapted for a particularly sized upper to achieve a particular skier's optimal forward, aft balance point, side-to-side alignment and ideal power transfer zone and pivot point.
  • a ski boot 2 can be manufactured to a skier's precise requirements.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
US13/662,336 2012-10-26 2012-10-26 Base for a ski boot and ski boot incorporating such a base Active 2033-11-12 US9326563B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US13/662,336 US9326563B2 (en) 2012-10-26 2012-10-26 Base for a ski boot and ski boot incorporating such a base
EP13186225.2A EP2724634B1 (fr) 2012-10-26 2013-09-26 Base pour une chaussure de ski et chaussure de ski l'incorporant
CA2829437A CA2829437C (fr) 2012-10-26 2013-10-04 Base pour botte de ski et botte de ski comportant une telle base
CN201310510516.6A CN103783718B (zh) 2012-10-26 2013-10-25 滑雪靴的基底和包括这种基底的滑雪靴
RU2013150126/12A RU2013150126A (ru) 2012-10-26 2013-11-11 Основание для лыжного ботинка и лыжный ботинок с таким основанием

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/662,336 US9326563B2 (en) 2012-10-26 2012-10-26 Base for a ski boot and ski boot incorporating such a base

Publications (2)

Publication Number Publication Date
US20140115930A1 US20140115930A1 (en) 2014-05-01
US9326563B2 true US9326563B2 (en) 2016-05-03

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US13/662,336 Active 2033-11-12 US9326563B2 (en) 2012-10-26 2012-10-26 Base for a ski boot and ski boot incorporating such a base

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US (1) US9326563B2 (fr)
EP (1) EP2724634B1 (fr)
CN (1) CN103783718B (fr)
CA (1) CA2829437C (fr)
RU (1) RU2013150126A (fr)

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US20170028290A1 (en) * 2014-04-16 2017-02-02 Brent E. Aussprung Hybrid skate
USD812873S1 (en) * 2015-11-25 2018-03-20 Saloman S.A.S. Sole of a cross-country ski footwear article
US20200367603A1 (en) * 2016-07-20 2020-11-26 Nike, Inc. Footwear plate
US11633013B2 (en) 2018-04-16 2023-04-25 Nike, Inc. Outsole plate
US11659887B2 (en) 2015-10-02 2023-05-30 Nike, Inc. Plate with foam for footwear
US11730232B2 (en) 2015-10-02 2023-08-22 Nike, Inc. Plate for footwear
US11819084B2 (en) 2018-04-16 2023-11-21 Nike, Inc. Outsole plate
US12232559B2 (en) 2016-07-20 2025-02-25 Nike, Inc. Footwear plate

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US9265300B2 (en) * 2012-10-26 2016-02-23 K-2 Corporation Base for a ski boot and ski boot incorporating such a base
US20140151981A1 (en) * 2012-11-30 2014-06-05 Salomon S.A.S. Sports footwear with adjustable bending
FR2998764B1 (fr) * 2012-11-30 2015-06-19 Salomon Sas Chaussure de sport adaptable
US10306948B2 (en) * 2015-03-23 2019-06-04 Karl Stien Footwear with tapered heel and methods of manufacture and measurement
EP3375312B1 (fr) * 2017-03-17 2020-11-04 MARKER Deutschland GmbH Chaussure de ski pour enfant ayant une meilleure fonction de marche
USD836311S1 (en) * 2017-05-12 2018-12-25 Nike, Inc. Shoe outsole
USD835896S1 (en) * 2017-05-12 2018-12-18 Nike, Inc. Shoe outsole
US10743608B2 (en) 2017-12-28 2020-08-18 Under Armour, Inc. Fiber reinforced plate for articles of footwear and methods of making
EP3935984B1 (fr) 2020-07-09 2023-09-06 Madshus AS Botte de ski dotée d'une structure de connexion pour mouvement pivotant
EP4066670A1 (fr) 2021-04-01 2022-10-05 Madshus AS Botte de ski dotée d'un support de talon

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CA2829437A1 (fr) 2014-04-26
EP2724634A2 (fr) 2014-04-30
EP2724634B1 (fr) 2019-06-26
US20140115930A1 (en) 2014-05-01
EP2724634A3 (fr) 2018-03-07
CA2829437C (fr) 2020-09-22

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